i found it on a stock blog on Yahoo financehttp://seekingalpha.com/article/866811-clearwire-assessing-the-impact-of-the-iphone-5-the-earthlink-deal-and-the-road-ahead?source=yahoo
So on the 21st Sprint say that they'll turn on LTE in the Boston market will it be only the 4G complete sites or are they going to turn on LTE on the 3G only sites also